[Arrays]D. Liang 6.1 Analyzing input.c

Description

Write a program that reads n numbers, computes their average, and finds out how many numbers are above the average.

Input

The first line is a positive integer t for the number of test cases.
Each test case contains two lines. The first line is an integer n (0

Output

For each test case, output how many numbers above the average in one line.

Sample Input

2
3
2 1.5 2.5
4
2 -6 2 6

Sample Output

1
3

//   Date:2020/4/9
//   Author:xiezhg5
#include 
int main(void)
{
	double a[100]={0},sum=0,average=0;
	int m,n,i,cnt=0;
	scanf("%d\n",&m);   //注意一定要加回车符标测要求 
	while(m--)
	{
		scanf("%d",&n);  //读入n表示接下来要输n个数
		//这里一定要重新初始化(因为要读入不同的数) 
		sum=0;
		average=0;
		cnt=0;
		for(i=0;i<=n-1;i++)
		{
			//for循环为数组元素下标赋值 
			scanf("%lf",&a[i]);
			sum=sum+a[i];    //累加 
		}
		//求平均 
		average=sum/(1.0*n);
		//再来一层for循环进行比较 
		for(i=0;i<=n-1;i++)
		{
			if(a[i]>average)
				cnt++;       //计数变量 
		}
		printf("%d\n",cnt);
	}
	return 0;
}